Android Hilt Application Context Memory Leak

May 6, 2022

The following will warn this field leak a context object.

@HiltViewModelclass HomeViewModel @Inject constructor(    @ApplicationContext private val applicationContext: Context,    private val db: FirebaseFirestore,    private val auth: FirebaseAuth    ): ViewModel() {}

NOTE: I suspect this is a bug (false warning), since application context live through the entire application cycle.

Solution

@HiltViewModelclass HomeViewModel @Inject constructor(    @ApplicationContext applicationContext: Context,    private val db: FirebaseFirestore,    private val auth: FirebaseAuth    ): ViewModel() {    // val context: Context = applicationContext    private val context: WeakReference<Context> = WeakReference(applicationContext)    fun test() {      context.get()?.let { context ->      }    }}

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✨ By Desmond Lua

A dream boy who enjoys making apps, travelling and making youtube videos. Follow me on @d_luaz

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